STEHN Reaction Types

Based on the activity series, what are the predicted products of this reaction?

Br₂ (l) + KI (aq) →

• KBr + I₂

• KBr + I

• KBr₂ + I

• No Reaction

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What do we look at to determine if an element is strong enough to replace another element in a single replacement reaction?

• Solubility Rules 
• Ionic Charges
• It must be insoluble!
• Activity Series

Which metal is the most active

• Cu

• Ag

• Na

• Li

Which reaction occurs

• Ag + KNO3 ------> K + AgNO3

• K + AgNO3 ------> Ag + KNO3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which reaction occurs

• Cl2 (g) + 2 KI (aq) -------> 2 KCl (aq) + I2 (g)

• 2 KCl (aq) + I2 (g) -------> Cl2 (g) + 2 KI (aq)

Tags

NGSS.HS-PS1-7

Select the metal that is more active than H2

• Cu

• Ag

• Au

• Fe

If you wear gold jewelry in the shower does a chemical reaction take place?

• No, gold (Au) is less active than the hydrogen in water

• No, gold (Au) is more active than the hydrogen in water

• Yes, but you can't physically see the reaction happen

• Yes, gold (Au) is more active than the hydrogen in water

What are the seven diatomic elements?

• H_2, Cl₂, Br₂, O₂, N₂, I₂, F₂

• H₂, Cl₂, I₂, F₂, Hg₂, Br₂, Fe₂

• H_2, Cu₂, Ni₂, B₂, O₂, I₂, Fe₂

What are diatomic elements?

• Elements that form two-atom molecules when not combined in a compound.

• Two elements that combine with one atom from each element.

• Elements that are always in pairs no matter what.

Tags

NGSS.MS-PS1-1

Is Fe₂ a diatomic element?

• Yes

• No

Tags

NGSS.MS-PS1-1